Which are the TCP/UDP port numbers of h323 protocol?

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Jul 2nd, 2002

What are tcp/udp port numbers of the h323 protocol to be measure for netflow application.

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Anonymous (not verified) Tue, 07/02/2002 - 11:17

H.225 uses TCP 1718, 1719, 1720.

H.245 uses TCP 11000 to 65535.

H.323 uses UDP 16384-32767.

An inside caller initiates a TCP connection to the client on the outside on port 1720.

The two devices negotiate for a second TCP session, During the second TCP session, the clients negotiate on UDP ports.

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Posted July 2, 2002 at 11:17 AM
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